Alexander_1900's blog

By Alexander_1900, history, 6 hours ago, In English

I’ve decided to challenge myself to become a Specialist in just 90 days. Solve at least 300 problem , rating (900-1400) minimum 50 problem each rating.

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6 hours ago, # |
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I will believe that if that is 900-day challenge

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3 hours ago, # |
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what about getting the pupil one first